WHAT YALL THINK The author describes the idea for the double shell design because it required innovation, an important part of the Renaissance.
all Renaissance buildings were made with that design.
it is a perfect example of architecture in the Middle Ages.
it is how Brunelleschi got the idea to start building the Duomo. 15 POINTS

For 50 pointsfredrika's science teacher asked her to bring in three abiotic items from her backyard ecosystem. which of the following groups of items should she bring? a. a lightning bug, a plug of grass, and a wormb. a smooth rock, some red dirt, and an empty bird's nestc. a ladybug, a spider, and some water from a mud puddled. a caterpillar, a pine cone, and a piece of a robin's egg